Methylated prohormonesProhormones

Epistane and side effects

About Epistane

Epistane is a DHT derived prohormone that was brought to market by RPN with their product “Havoc.” Epistane is an anti-estrogenic dry compound that will aid users in adding lean muscle mass as well as cutting fat. In addition to this, Epistane does not aromatize and is non-progestagenic. This basically means that while on Epistane, estrogen related side effects like gyno and progesterone related side effects like sensitive breast tissue are virtually non-existent. Users will experience little to no side effects while on Epistane, making it an ideal beginner prohormone.

How harsh is Epistane on the liver?

Epistane is actually one of the least tough prohormones on the liver and body. It still needs to be run with on cycle support, but as a result of its lower toxic load users like to increase dosage and run times of their cycles to optimize results.

Epistane side effects?

The Epistane side effects are very low. Overall, Epistane side effects are very uncommon when while on cycle. The reason for this is the build of Epistane making it anti-estrogenic. As a result you do not have to worry about gyno. There are still the usual sides that you would get with any prohormone cycle, like, lethargy, dry joints, and sometimes back pumps. Epistane is a dry mass gainer so if you run high doses it can take a toll on the joints. We recommend taking a proper on cycle and adding a joint supplement to offset the joint dryness. One of the ore uncommon epistane side effects is rebound gyno, which is when your body develops gyno during your PCT order after. This is typically due to running an epistane cycle at a very high dosage (40 mg+) and then abruptly stopping. To avoid this Epistane sideeffect, we suggest you dial down the dosage to 10=20 mg in your last few days/week.

So why do you become Lethargic?

Lethargy–the quality or state of being drowsy and dull,listless and unenergetic, or indifferent and lazy;apathetic or sluggish inactivity.

So some people that are on lower amounts of Kcal or carbs will be more lethargic on Epistane. One of the lower side effects was that it could do damage to your liver. Therefore if the lethargy does not go away after adding a few more carbs then you should go get your liver tested.

Since Epistane is an anti-estrogenic compound it is said to cause lethargy as well. If you do start to experience being lethargic, my recommendation is to lower the dose or cut it out all together.


If you are looking to take Epistane be aware of the side effects it has as well as the benefits that you can get out of it. Epistane is a prohormone that can help create lean body mass with the dry look that is wanted in bodybuilding. If you start feeling lethargic back off of the dose a little or stop it completely and see what happens.

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